18326115

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 35020800

約数和(自身を除く): 16694685

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 87, 93, 135, 145, 151, 155, 261, 279, 435, 453, 465, 755, 783, 837, 899, 1305, 1359, 1395, 2265, 2697, 3915, 4077, 4185, 4379, 4495, 4681, 6795, 8091, 13137, 13485, 14043, 20385, 21895, 23405, 24273, 39411, 40455, 42129, 65685, 70215, 118233, 121365, 126387, 135749, 197055, 210645, 407247, 591165, 631935, 678745, 1221741, 2036235, 3665223, 6108705, 18326115]

約数ペア:

[(1, 18326115), (3, 6108705), (5, 3665223), (9, 2036235), (15, 1221741), (27, 678745), (29, 631935), (31, 591165), (45, 407247), (87, 210645), (93, 197055), (135, 135749), (145, 126387), (151, 121365), (155, 118233), (261, 70215), (279, 65685), (435, 42129), (453, 40455), (465, 39411), (755, 24273), (783, 23405), (837, 21895), (899, 20385), (1305, 14043), (1359, 13485), (1395, 13137), (2265, 8091), (2697, 6795), (3915, 4681), (4077, 4495), (4185, 4379)]